Elexis Emery
MAT 120
9/26/2015
Major Project Idea
My idea for the major project is the number of hours in a
week that student at the Greenwood PTC campus spend on
homework.
I want to know the average for these numbers to see what
kind of time my peers put
Question 1 of 3 (1 point) 8.1 Section Exercise 10
Put the following steps of hypothesis testing in order:
a. Compute the test value.
b. Make the decision to reject or not reject the null hypothesis.
c. Find the critical value(s).
(1. Summarize the results
Question 1 of 9 (1 point) 6.2 Section Exercise 2 a, b
The average annual salary for all U.S. teachers is $47,750. Assume that the distribution is
normal and the standard deviation is $5680. Find these probabilities of the earnings of a teacher
selected ra
Question 1 of 10 (1 point) View groblem in a goo-up; 5.3 Section Exercise 2
Compute the probability of X successes, using the binomial distribution table.
Part1 outof4
n =3, p=0.9, X=2
P(X) =
p
r: .r 0.3 0.4 0.5 0.5 0.2 0.0
12 0 0.014 0.002
1 0.
Question 1 of 7 (1 point) 5.2 Section Exercise 2
The number of suits sold per day at a retail store is shown in the table, with the corresponding
probabilities.
Number of suits sold X 18 19 20 21 22
Probability P(X) 0.1 0.2 0.3 0.1 0.3
Part 1 out of 3
Fin
Question 1 of 16 (1 point) 6.1 Section Exercise 16 (calc)
Find the area under the standard normal distribution curve between z = -2.71 and z = 2.72.
Use a graphing calculator and round the answer to four decimal places.
The area between the two z values
Elexis Emery
MAT 120
10/6/2015
Major Project Idea
My ideas for the major project are the cellular data usage of
30 apps on my iPhone 6, over the period of a month, which will be
measured to the nearest megabyte (MB).
I want to know the average for these n